Home / 1,003,691.20-1,505,682.60-329,657.80

Finding the Fourth Proportional to 1,003,691.20, 1,505,682.60 and 329,657.80

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Solution

The fourth proportional to 1,003,691.20, 1,505,682.60 and 329,657.80 is: 494,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,691.20 : 1,505,682.60 = 329,657.80 : x
  2. Step 2: Convert to fraction form
    1,003,691.20/1,505,682.60 = 329,657.80/x
  3. Step 3: Cross multiply
    1,003,691.20x = 1,505,682.60 × 329,657.80
  4. Step 4: Simplify right side
    1,003,691.20x = 496,360,013,414.28
  5. Step 5: Solve for x
    x = 496,360,013,414.28/1,003,691.20
  6. Step 6: Final answer
    x = 494,534.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.